/*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ptrans;

import static com.ptrans.utilities.CommonUtilities.*;
import android.app.IntentService;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;

import com.google.android.gms.gcm.GoogleCloudMessaging;
import com.ptrans.utilities.CommonUtilities;

/**
 * IntentService responsible for handling GCM messages.
 */
public class GCMIntentService extends IntentService {
    public static final int NOTIFICATION_ID = 1;
    private NotificationManager mNotificationManager;
    NotificationCompat.Builder builder;

    public GCMIntentService() {
        super("GCMIntentService");
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        Bundle extras = intent.getExtras();
        GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this);
        // The getMessageType() intent parameter must be the intent you received
        // in your BroadcastReceiver.
        String messageType = gcm.getMessageType(intent);
        String type = "";
        
        if (!extras.isEmpty()) {  // has effect of unparcelling Bundle
            /*
             * Filter messages based on message type. Since it is likely that GCM
             * will be extended in the future with new message types, just ignore
             * any message types you're not interested in, or that you don't
             * recognize.
             */
            if (GoogleCloudMessaging.
                    MESSAGE_TYPE_SEND_ERROR.equals(messageType)) {
                sendNotification("Send error: " + extras.toString());
            } else if (GoogleCloudMessaging.
                    MESSAGE_TYPE_DELETED.equals(messageType)) {
                sendNotification("Deleted messages on server: " +
                        extras.toString());
            // If it's a regular GCM message, do some work.
            } else if (GoogleCloudMessaging.
                    MESSAGE_TYPE_MESSAGE.equals(messageType)) {
            	 // Send message to the main activity
            	Log.i(TAG, "GCM messagetype receive");
                Intent i = buildIntent(extras);
                LocalBroadcastManager.getInstance(this).sendBroadcast(i);
                // Release the wake lock provided by the WakefulBroadcastReceiver.
                GCMBroadcastReceiver.completeWakefulIntent(intent);
            }
        }
       
    }
    
    private Intent buildIntent(Bundle extras) {
    	// just retrieve the intent
    	// First case...
    	Intent i = new Intent(DISPLAY_MESSAGE_ACTION);
    	if(extras.containsKey(EXTRA_POSITION) && extras.containsKey(EXTRA_SENDER_NAME)) {
    		i.putExtra(EXTRA_SENDER_NAME, extras.getString(EXTRA_SENDER_NAME));
    		i.putExtra(EXTRA_POSITION, extras.getInt(EXTRA_POSITION));
    		Log.i(TAG, "BuildIntent position");
    	}
    	else if(extras.containsKey(CommonUtilities.EXTRA_HEALTH) && extras.containsKey(EXTRA_SENDER_NAME)) {
    		i.putExtra(EXTRA_SENDER_NAME, extras.getString(EXTRA_SENDER_NAME));
    		i.putExtra(EXTRA_HEALTH, extras.getInt(EXTRA_HEALTH));
    		Log.i(TAG, "BuildIntent health");
    	}
    	else if(extras.containsKey(CommonUtilities.EXTRA_CONNECT) && extras.containsKey(EXTRA_SENDER_NAME)) {
    		i.putExtra(EXTRA_SENDER_NAME, extras.getString(EXTRA_SENDER_NAME));
    		i.putExtra(EXTRA_CONNECT, extras.getInt(EXTRA_CONNECT));
    		Log.i(TAG, "BuildIntent connect");
    	}
    	return i;
    }
    
    private String buildRes(Bundle extras) {
    	String res = "";
    	if(extras.containsKey(CommonUtilities.EXTRA_MESSAGE)) {
    		if(extras.containsKey(CommonUtilities.EXTRA_SENDER)) {
        		res = extras.getString(CommonUtilities.EXTRA_SENDER) + " : " + extras.getString(CommonUtilities.EXTRA_MESSAGE);
        	}
    	}
    	if(extras.containsKey(CommonUtilities.EXTRA_INFO)) {
    		res = CommonUtilities.EXTRA_INFO;
    	}
    	return res;
    }

    // Put the message into a notification and post it.
    // This is just one simple example of what you might choose to do with
    // a GCM message.
    private void sendNotification(String msg) {
        mNotificationManager = (NotificationManager)
                this.getSystemService(Context.NOTIFICATION_SERVICE);

        PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
                new Intent(this, HomeActivity.class), 0);

        NotificationCompat.Builder mBuilder =
                new NotificationCompat.Builder(this)
        .setSmallIcon(R.drawable.ic_launcher)
        .setContentTitle("Ptrans Notification")
        .setStyle(new NotificationCompat.BigTextStyle()
        .bigText(msg))
        .setContentText(msg);

        mBuilder.setContentIntent(contentIntent);
        mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
    }
}
